(firearms) a pistol (handgun)

口火: fuse; cause (of a debate, conflict, war, etc.)

Alternative spelling of 唇 (kuchibiru)

lower lip

酒: sake, alcohol-based beverage / 鮭, 鮏: salmon / 梟: old reading for 梟 (fukurō) / 裂け, 割け: stem form of verb 裂ける, 割ける (sakeru, “to be split apart; to tear”) / 避け: stem form of verb 避ける (sakeru, “to avoid”)

is the best among (others)

(botany) tepal

person who is inside a kigurumi costume / (by extension) person behind something / voice actor of a character

an age category for differentiating entrance fees, for ages higher than 小人 and lower than 大人. / go-between, mediator

starter pistol